Java Code Examples for java.util.concurrent.atomic.AtomicBoolean#weakCompareAndSet()

The following examples show how to use java.util.concurrent.atomic.AtomicBoolean#weakCompareAndSet() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: openjdk-jdk9   File: AtomicBooleanTest.java    License: GNU General Public License v2.0 5 votes vote down vote up 
/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicBoolean ai = new AtomicBoolean(true);
    do {} while (!ai.weakCompareAndSet(true, false));
    assertFalse(ai.get());
    do {} while (!ai.weakCompareAndSet(false, false));
    assertFalse(ai.get());
    do {} while (!ai.weakCompareAndSet(false, true));
    assertTrue(ai.get());
}
Example 2
Source Project: j2objc   File: AtomicBooleanTest.java    License: Apache License 2.0 5 votes vote down vote up 
/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicBoolean ai = new AtomicBoolean(true);
    do {} while (!ai.weakCompareAndSet(true, false));
    assertFalse(ai.get());
    do {} while (!ai.weakCompareAndSet(false, false));
    assertFalse(ai.get());
    do {} while (!ai.weakCompareAndSet(false, true));
    assertTrue(ai.get());
}